MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=acastat+software+free'. This indicates the document is designed to trick users into visiting a malicious site under the guise of a free software download. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link-farming or redirection strategy. No scripts were extracted, but the primary attack vector is the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=acastat+software+free
- http://files.j-6forge.com/uploads/1/3/1/3/131383954/4327775.pdf
- http://najikuvuv.hardfiberglassdidgeridoo.com/uploads/1/3/1/8/131857419/4e6c9.pdf
- http://files.tereayersmusic.net/uploads/1/3/1/4/131407423/92c0a5caf8f.pdf
- http://kilofo.purplesparklefoundation.org/uploads/1/3/0/9/130969762/togaxotexuz_biwuxuveniz_xisusaru.pdf
- https://cdn.shopify.com/s/files/1/0440/8187/3048/files/lexunewekaziruv.pdf
- https://cdn.shopify.com/s/files/1/0432/2076/2783/files/80169821453.pdf
- https://cdn.shopify.com/s/files/1/0443/8307/6518/files/kolidizabokarerilabobuv.pdf
- https://cdn.shopify.com/s/files/1/0428/8000/8355/files/8644205912.pdf
- https://cdn.shopify.com/s/files/1/0432/6876/7907/files/aprilaire_thermostat_8476w_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/5721/6678/files/rumoxifupo.pdf
- https://cdn.shopify.com/s/files/1/0438/6376/9243/files/catalogo_blue_point.pdf
- https://cdn.shopify.com/s/files/1/0435/4437/9546/files/puranesuzegilivezafiner.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dbc.binbd3cbdc96838967a4a5c2fe7bb93f4f16681476b06f89b1fc9a5caf03c8f925a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DBC | 4924 bytes |
font_01_sfnt_off00006e96.bin19ca95a80136f8bde943837097484d86f973531e71276210232df3be0a61b72b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E96 | 10308 bytes |
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